using System.Collections.ObjectModel; using WPF_23_MVVMViewModels.Model; using WPF_23_MVVMViewModels.MVVM; namespace WPF_23_MVVMViewModels.ViewModel; public class MainWindowViewModel : ViewModelBase { private Item? _selectedItem; public ObservableCollection Items { get; set; } = [ new() { Name = "Product1", SerialNUmber = "0001", Quantity = 5 }, new() { Name = "Product2", SerialNUmber = "0002", Quantity = 6 } ]; public Item SelectedItem { get => _selectedItem!; set { _selectedItem = value; OnPropertyChanged(); } } }